Module: ActiveRecord::CheckArrayBeforeUpdate

Includes:
ActiveSupport::Concern
Defined in:
lib/ar_jdbc_pg_array/allways_save.rb,
lib/ar_jdbc_pg_array/allways_save.rb,
lib/ar_jdbc_pg_array/allways_save.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/ar_jdbc_pg_array/allways_save.rb', line 11

def self.included(base)
  base.alias_method_chain :update, :check_array
  base.send(:alias_method, :_read_attribute, :read_attribute)
end

Instance Method Details

#_read_attribute(attr_name) ⇒ Object 



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# File 'lib/ar_jdbc_pg_array/allways_save.rb', line 26

def _read_attribute(attr_name)
  column_for_attribute(attr_name).type_cast(@attributes[attr_name])
end

#mark_arrays_for_update ⇒ Object 



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# File 'lib/ar_jdbc_pg_array/allways_save.rb', line 3

def mark_arrays_for_update
  @attributes_cache.each do |name, value|
    attribute_will_change!(name) if Array === value && _read_attribute(name) != value
  end
end

#update ⇒ Object 



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# File 'lib/ar_jdbc_pg_array/allways_save.rb', line 31

def update(*)
  mark_arrays_for_update
  super
end

#update_with_check_array ⇒ Object 



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# File 'lib/ar_jdbc_pg_array/allways_save.rb', line 16

def update_with_check_array
  mark_arrays_for_update
  update_without_check_array
end